20704804532 has 24 divisors (see below), whose sum is σ = 37157957760. Its totient is φ = 10090074240.

The previous prime is 20704804481. The next prime is 20704804559. The reversal of 20704804532 is 23540840702.

It is a junction number, because it is equal to n+sod(n) for n = 20704804492 and 20704804501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183182 + ... + 273797.

It is an arithmetic number, because the mean of its divisors is an integer number (1548248240).

Almost surely, 2^20704804532 is an apocalyptic number.

It is an amenable number.

20704804532 is a deficient number, since it is larger than the sum of its proper divisors (16453153228).

20704804532 is a wasteful number, since it uses less digits than its factorization.

20704804532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457271 (or 457269 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 20704804532 in words is "twenty billion, seven hundred four million, eight hundred four thousand, five hundred thirty-two".